Lamiaceae | |
Stachys hyssopifolia var. ambigua
| A. Gray | Syn. Fl. N. Amer. 2(1): 387 | 1878 |
Lamiaceae | |
Stachys hyssopifolia var. hyssopifolia
| | | |
Lamiaceae | |
Stachys hyssopifolia var. lythroides
| (Small) J.B. Nelson | Phytologia 46(2): 94 | 1980 |
Lamiaceae | |
Stachys hyssopifolia fo. oswaldiae
| Oswald | Phytologia 11: 69 | 1964 |